<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script src="../src/ec-do-3.0.0-beta.2.js"></script>
<script>
    let obj={a:1,b:2,c:9}
    console.log(ecDo.filterKeys(obj,'a'));
    console.log(ecDo.filterKeys(obj,'a,c'));
    console.log(ecDo.filterKeys({a:1,b:2,c:9},'a'));

    let arr=[{a:1,b:2,c:9},{a:1,b:2,c:9},{a:1,b:2,c:9},{a:1,b:2,c:9},{a:1,b:2,c:9}];
    console.log(ecDo.handle('filterKeys',arr,'a'))
    console.log(ecDo.handle('filterKeys',arr,'a,c'))

    let arr1=[{a:'',b:0,c:11},{a:null,b:2,c:11},{a:1,b:9,c:12}];
    console.log(ecDo.handle('fillKeys',arr1,[0,'',11],'**'));
</script>
</html>